Top Definition
When a person makes something up, or thinks that they are correct, and then proceeds to say that that information is from an official source.
Jim: I'm pretty sure Rob has that condition that causes chronic bad breath. What's that called?

Steve: Oh, that's easy. It's feliculitis.

Jim: Is it really?

Steve: Yeah, I read it in the 17th Edition of Physician's Desk Reference.

Rob: Don't try to use Official Bullshit on us, Steve. It's called Halitosis.
by The Goon Platoon September 17, 2009

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